355989140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{4673}}^1$

素因数の和:4988

約数の個数: 48

約数和(自身を含む): 808003728

約数和(自身を除く): 452014588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 293, 586, 1172, 1465, 2930, 3809, 4673, 5860, 7618, 9346, 15236, 18692, 19045, 23365, 38090, 46730, 60749, 76180, 93460, 121498, 242996, 303745, 607490, 1214980, 1369189, 2738378, 5476756, 6845945, 13691890, 17799457, 27383780, 35598914, 71197828, 88997285, 177994570, 355989140]

約数ペア:

[(1, 355989140), (2, 177994570), (4, 88997285), (5, 71197828), (10, 35598914), (13, 27383780), (20, 17799457), (26, 13691890), (52, 6845945), (65, 5476756), (130, 2738378), (260, 1369189), (293, 1214980), (586, 607490), (1172, 303745), (1465, 242996), (2930, 121498), (3809, 93460), (4673, 76180), (5860, 60749), (7618, 46730), (9346, 38090), (15236, 23365), (18692, 19045)]